Properties of the Number 10806

Ten Thousand Eight Hundred Six

Basics

Value: 10805 → 10806 → 10807

Parity: even

Prime: No

Previous Prime: 10799

Next Prime: 10831

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 1801

Divisors: 1, 2, 3, 6, 1801, 3602, 5403, 10806

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101000110110

Octal: 25066

Duodecimal: 6306

Hexadecimal: 2a36

Square: 116769636

Square Root: 103.95191195932858

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Total number of prime parts in all partitions of n. A37032

The number of edges inside a cross with width 3 and height n (see Comments in A331455 for definition) formed by the straight line segments mutually connecting all vertices and all points. A330851

6 times centered hexagonal numbers: 18·n*(n+1) + 6. A164016

Number of edges in a hexagon when n internal hexagons are drawn between the 6n points that divide each side into n+1 equal parts. A357198

a(n) = floor( n*(n-1)*(n-2)/19 ). A11901

Sum of the first n n-digit primes less n·10^n-1. A114053

Sums of three consecutive numbers each of which is the product of two distinct primes and each of which has no exponent greater than one for either of its two prime factors. A173969

Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| + |y-w| < w+x+y. A213488

Compositions of n into parts 3, 5 and 7. A245367

Total number of points on a sphere when both poles are on an·by·grid where x=8·n+1. A254527